a person of superior intellectual interests and tastes.

a person with intellectual or cultural pretensions; intellectual snob.

the crestfish.

Also, highbrowed. of, pertaining to, or characteristic of a highbrow.

adjective

bookish , brainy * , cerebral , cultivated , cultured , erudite , intellective , intelligent , learned , scholarly , studious , wise , sophisticated , thoughtful

noun

academic , academician , bluestocking , brain * , egghead * , einstein , genius , illuminato , intelligentsia , literato , longhair , philosopher , sage , savant , scholar , thinker , whiz * , brahmin , cultured , egghead , intellectual , scholarly